Don't Play With Homemade Cannons

[thetrailboss]

Here's why.

 

[ctenidae]

That's why we only made potato cannons powered by hairspray.
Less shrapnel.

 

[ChileMass]

Hijack - !!

Here's another thing to be careful of. Perhaps a helmet and some instruction ahead of time would be prudent. This happened right down the street from my house.

http://news.bostonherald.com/localRegional/view.bg?articleid=146683

 

[knuckledragger]

We found something that makes a much bigger bang with out creating messy shrapnel. Fill a ballon with accetelyne, mapp gas or propane tie on a toilet paper fuse light and cover your ears.

 

[ctenidae]

Hydrogen and oxygen in a 2 liter bottle is pretty snappy, too.